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Finding the Fourth Proportional to 18,197.60, 27,300.51 and 5,051.03

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Solution

The fourth proportional to 18,197.60, 27,300.51 and 5,051.03 is: 7,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.60 : 27,300.51 = 5,051.03 : x
  2. Step 2: Convert to fraction form
    18,197.60/27,300.51 = 5,051.03/x
  3. Step 3: Cross multiply
    18,197.60x = 27,300.51 × 5,051.03
  4. Step 4: Simplify right side
    18,197.60x = 137,895,558.52
  5. Step 5: Solve for x
    x = 137,895,558.52/18,197.60
  6. Step 6: Final answer
    x = 7,577.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.